document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=399989>Question 399989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find all solution of equation for the given interval<BR>\n" );
document.write( "3sin^2(x)-cos^2(x)=0<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283195 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=283195\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find all solution of equation for the given interval<BR>\n" );
document.write( "3sin^2(x)-cos^2(x)=0\r<BR>\n" );
document.write( "\n" );
document.write( "-----<BR>\n" );
document.write( "3sin^2(x) -(1-sin^2(x)) = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "4sin^2(x) = 1<BR>\n" );
document.write( "---<BR>\n" );
document.write( "sin^2(x) = 1/4<BR>\n" );
document.write( "sin(x) = 1/2 or sin(x) = -1/2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "x = pi/6 or x = -pi/6<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );